Really attaching the patch.
--
Dmitry Shachnev
--- a/debian/libowncloudsync0.install
+++ b/debian/libowncloudsync0.install
@@ -1 +1 @@
-usr/lib/libowncloudsync.so.*
+usr/lib/*/libowncloudsync.so.*
--- a/debian/patches/0004-cmake-multiarch.patch
+++ b/debian/patches/0004-cmake-multiarch.patch
@@ -0,0 +1,43 @@
+Description: install libraries in multiarch location
+Author: Dmitry Shachnev <mity...@gmail.com>
+Last-Update: 2014-01-02
+
+--- a/cmake/modules/GNUInstallDirs.cmake
++++ b/cmake/modules/GNUInstallDirs.cmake
+@@ -75,18 +75,24 @@
+ # - we are NOT on debian
+ # - we are on a 64 bits system
+ # reason is: amd64 ABI: http://www.x86-64.org/documentation/abi.pdf
+- # Note that the future of multi-arch handling may be even
+- # more complicated than that: http://wiki.debian.org/Multiarch
+- if(CMAKE_SYSTEM_NAME MATCHES "Linux"
+- AND NOT CMAKE_CROSSCOMPILING
+- AND NOT EXISTS "/etc/debian_version")
+- if(NOT DEFINED CMAKE_SIZEOF_VOID_P)
+- message(AUTHOR_WARNING
+- "Unable to determine default CMAKE_INSTALL_LIBDIR directory because no target architecture is known. "
+- "Please enable at least one language before including GNUInstallDirs.")
+- else()
+- if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+- set(_LIBDIR_DEFAULT "lib64")
++ # For Debian with multiarch, use 'lib/${CMAKE_LIBRARY_ARCHITECTURE}' if
++ # CMAKE_LIBRARY_ARCHITECTURE is set (which contains e.g. "i386-linux-gnu"
++ # See http://wiki.debian.org/Multiarch
++ if((CMAKE_SYSTEM_NAME MATCHES "Linux|kFreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "GNU")
++ AND NOT CMAKE_CROSSCOMPILING)
++ if (EXISTS "/etc/debian_version") # is this a debian system ?
++ if(CMAKE_LIBRARY_ARCHITECTURE)
++ set(_LIBDIR_DEFAULT "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
++ endif()
++ else() # not debian, rely on CMAKE_SIZEOF_VOID_P:
++ if(NOT DEFINED CMAKE_SIZEOF_VOID_P)
++ message(AUTHOR_WARNING
++ "Unable to determine default CMAKE_INSTALL_LIBDIR directory because no target architecture is known. "
++ "Please enable at least one language before including GNUInstallDirs.")
++ else()
++ if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
++ set(_LIBDIR_DEFAULT "lib64")
++ endif()
+ endif()
+ endif()
+ endif()
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,4 @@
0001-disable-updatecheck.patch
0002-create-manpage.patch
0003-respect-the-XDG_CONFIG_HOME-env-variable.patch
+0004-cmake-multiarch.patch
